Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5528935 | Stress and velocity gauge | Charles R. Welch, Billy D. Fuller | 1996-06-25 |
| 5447065 | High-fidelity particle velocity gauge for measuring strong motions in a solid medium | Charles R. Welch, Billy D. Fuller | 1995-09-05 |
| 5311856 | Gas gun and quick release mechanism for large loads | Alan P. Ohrt, Charles R. Welch | 1994-05-17 |